From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9526C8486 for ; Thu, 27 Oct 2022 17:00:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1AB00C433C1; Thu, 27 Oct 2022 17:00:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666890001; bh=oGTDRtZZMSifU1s1dxq9ft33ixIbJMA66HrYwxCuAzM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ig/zu8OM2PUWzzYTCXkFgPcsJCJwxKU4ITC7/d7UNAJ6JT3a2fIbFrxFFMfVkZabQ 3GP39U7pDXM/dqN55yw+eOAC2uYh9pr5iZyTR6UazDHb6Mrw1+EOl4IVoaEMv033xo x93Y1Vs3EuM6qQQr/fklahSFZUIYi/CBWaqF4l9w= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Edward Cree , Pieter Jansen van Vuuren , Martin Habets , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.0 79/94] sfc: include vport_id in filter spec hash and equal() Date: Thu, 27 Oct 2022 18:55:21 +0200 Message-Id: <20221027165100.379984147@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221027165057.208202132@linuxfoundation.org> References: <20221027165057.208202132@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Pieter Jansen van Vuuren [ Upstream commit c2bf23e4a5af37a4d77901d9ff14c50a269f143d ] Filters on different vports are qualified by different implicit MACs and/or VLANs, so shouldn't be considered equal even if their other match fields are identical. Fixes: 7c460d9be610 ("sfc: Extend and abstract efx_filter_spec to cover Huntington/EF10") Co-developed-by: Edward Cree Signed-off-by: Edward Cree Signed-off-by: Pieter Jansen van Vuuren Reviewed-by: Martin Habets Link: https://lore.kernel.org/r/20221018092841.32206-1-pieter.jansen-van-vuuren@amd.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/sfc/filter.h | 4 ++-- drivers/net/ethernet/sfc/rx_common.c | 10 +++++----- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/sfc/filter.h b/drivers/net/ethernet/sfc/filter.h index 4d928839d292..f569d07ef267 100644 --- a/drivers/net/ethernet/sfc/filter.h +++ b/drivers/net/ethernet/sfc/filter.h @@ -161,9 +161,9 @@ struct efx_filter_spec { u32 priority:2; u32 flags:6; u32 dmaq_id:12; - u32 vport_id; u32 rss_context; - __be16 outer_vid __aligned(4); /* allow jhash2() of match values */ + u32 vport_id; + __be16 outer_vid; __be16 inner_vid; u8 loc_mac[ETH_ALEN]; u8 rem_mac[ETH_ALEN]; diff --git a/drivers/net/ethernet/sfc/rx_common.c b/drivers/net/ethernet/sfc/rx_common.c index 4826e6a7e4ce..9220afeddee8 100644 --- a/drivers/net/ethernet/sfc/rx_common.c +++ b/drivers/net/ethernet/sfc/rx_common.c @@ -660,17 +660,17 @@ bool efx_filter_spec_equal(const struct efx_filter_spec *left, (EFX_FILTER_FLAG_RX | EFX_FILTER_FLAG_TX))) return false; - return memcmp(&left->outer_vid, &right->outer_vid, + return memcmp(&left->vport_id, &right->vport_id, sizeof(struct efx_filter_spec) - - offsetof(struct efx_filter_spec, outer_vid)) == 0; + offsetof(struct efx_filter_spec, vport_id)) == 0; } u32 efx_filter_spec_hash(const struct efx_filter_spec *spec) { - BUILD_BUG_ON(offsetof(struct efx_filter_spec, outer_vid) & 3); - return jhash2((const u32 *)&spec->outer_vid, + BUILD_BUG_ON(offsetof(struct efx_filter_spec, vport_id) & 3); + return jhash2((const u32 *)&spec->vport_id, (sizeof(struct efx_filter_spec) - - offsetof(struct efx_filter_spec, outer_vid)) / 4, + offsetof(struct efx_filter_spec, vport_id)) / 4, 0); } -- 2.35.1